CG Board Class 6 Science Structure And Functions Of Living Organisms – II Notes / Textbook Exercises and More………
Digestive System:
Main organs: mouth, pharynx, esophagus, stomach, small intestine, large intestine, liver, and pancreas.
Functions: Ingestion, mixing food with saliva, digestion in the stomach, absorption of nutrients in the small intestine, and elimination of undigested food.
Circulatory System:
Components: Blood vessels (arteries and veins), heart, and capillaries.
Functions: Transportation of oxygen-rich blood from the heart to the body via arteries and returning deoxygenated blood to the heart through veins.
Respiratory System:
Function: Exchange of oxygen and carbon dioxide between the lungs and blood.
Excretory System:
Processes: Removal of waste products through the rectum, lungs (carbon dioxide), skin (sweat), and urine.
Components: Kidneys, ureters, urinary bladder, and urinary tube.
Skeleton and Joints:
Skeleton: Provides structural support for the body.
Bones: Hard structures that make up the skeleton.
Nervous System:
